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DENIUS [597]
4 years ago
14

Mr. McDowell invested $14,000 in equipment to print yearbooks for Ardrey Kell High School. Each yearbook costs $7 to print and s

ells for $35. How many yearbooks must he sell before he breaks even?
Mathematics
1 answer:
Feliz [49]4 years ago
8 0
14000+7x=35x (x being the number of books) solve for x and you have your answer. 14000=35x-7x=28x therefore x=14000/28=500 so he needs to sell 500 books before he breaks even.
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Shay's net pay is $575.50 biweekly. If her gross annual income is $17,500, how much is deducted from each paycheck?
Delvig [45]

Answer:

6,906

Step-by-step explanation:

575.50× 12=6906

17500-6906=10,594

10,594-17500= 6906

6 0
3 years ago
I’m in need of major help with my Intermediate Algebra. Anyone please I need to pass my summer class.
Doss [256]

Answer:

oki

Step-by-step explanation:

what do you need help with? :)

5 0
3 years ago
I WILL GIVE MORE POINTS IF I GET THE RIGHT ANSWER
shutvik [7]

Answer:

v= 6km/h - 1km/h^2 * t

Step-by-step explanation:

From the information, it seems the runner is slowing down because the speed at 1st hour is 5km/h but at 3rd hour becomes 3km/h.

If v= velocity, v0= initial speed, t= time, and the a=acceleration then the function would be:  

v= v0 + a * t

To find the acceleration you need to do this equation:

acceleration= velocity1- velocity3 / t3-t1

a = (3km/h-5km/h)/ (3 hour- 1 hour)

a = (-2km/h)/2hour= -1 km/hour^2

After that, you need to find the initial speed. Try to put the 1st-hour variable into the full equation. It would look like this

v= v0 + a * t

5km/h= v0 + (-1 km/hour^2 * 1 hour)

v0= 5km/h + 1km/h

v0= 6km/h  

Then the full function would be:

v= 6km/h - 1km/h^2 * t

The graph would look like a backslash(\) from 5 gradually go down to 1.  

6                          

5 O                    

4      O                

3          O              

2              O            

1                   O      

   1   2  3  4  5

7 0
3 years ago
On which number line do the points represent negative seven and one over two and +1? (4 points)
Veronika [31]

Answer:

A number line is used in the mathematical positioning of real numbers that include the numbers from positive infinity to negative infinity. This includes rational, irrational, fractions, and whole numbers. In this case, we are given with an expression that we have to reduce to lowest terms: negative seven and one over two and +1. The first one is equal to -7.5 while the other one is equal to +1. Positive numbers lie on the right side of zero (center of the line) while negative numbers lie on the left on the other hand. -7.5 lies between -8 and -7 while +1 lies exactly between 0 and 2. Both of which are positive numbers.

8 0
3 years ago
the temperature fell from o degrees to 6 3/5 degrees below 0 in 2 1/5 hours. what was the temperature change per hour?
Kay [80]

<u>Answer:</u>

The temperature change per hour was -3 degrees per hour.

<u>Step-by-step explanation:</u>

We know that the temperature fell from 0 degrees to -6\frac{3}{5} degrees in a time period of 2\frac{1}{5} hours.

So to find the rate of change of the temperature, we will divide the change in temperature by the number of hours.

For that, we will change the mixed number into improper fractions and then solve:

-6\frac{3}{5}=-\frac{33}{5}degrees

2\frac{1}{5}=\frac{11}{5} hours

Temperature change per hour = \frac{-\frac{33}{5}}{\frac{11}{5}} = \frac{33}{5}*-\frac{5}{11}=-3

Therefore, the temperature change per hour was -3 degrees per hour.

7 0
3 years ago
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